توضیحات
Gantry Information (Mediso- TH22)
– Adjustable height setting of stand with high precision electro-mechanical movement.
– Single hand detector handling and accurate positioning of the detector head even below the patient table
– Broad range of vertical adjustment (480 mm) with digital display of height
– Quickly adjustable detector orientations, vertical and horizontal detector angle indicator
– Hand operated detector rotation and locks.
NEMA-Specification of Mediso TH-22
|
|
HP | UHP | ||||
| Energy range (keV) | 40 – 400 | |||||
| Lead shielding thickness of detector (mm) | 12-28 | |||||
| Intrinsic energy resolution with Tc-99m (%) | 9,9 | 9,6 | ||||
| Maximal countrate (cps) | 220.000 | 350.000 | ||||
| Intrinsic homogenity | ||||||
| Differential CFOV (%) | 2,4 | 1,9 | ||||
| Differential UFOV (%) | 2,5 | 2,0 | ||||
| Integral CFOV (%) | 2,9 | 2,4 | ||||
| Integral UFOV (%) | 3,0 | 2,5 | ||||
| Intrinsic linearity | ||||||
| Differential CFOV (mm) | 0,18 | 0,09 | ||||
| Differential UFOV (mm) | 0,20 | 0,10 | ||||
| Absolute CFOV (mm) | 0,38 | 0,28 | ||||
| Absolute UFOV (mm) | 0,40 | 0,30 | ||||
| Available crystal thickness (mm) | 6,5* | 9,5 | 12,5 | 6,5* | 9,5 | 12,5 |
| Intrinsic spatial resolution | ||||||
| CFOV FWHM (mm) | 3,2 | 3,9 | 4,3 | 2,7 | 3,4 | 3,8 |
| UFOV FWHM (mm) | 3,3 | 4 | 4,4 | 2,8 | 3,5 | 3,9 |
| System spatial resolution with collimator | ||||||
| LEHR-Collimator FWHM (mm) | 7,5 | 8,0 | 8,1 | 7,2 | 7,7 | 7,8 |
| LEHR-Collimator FWTM (mm) | 13,5 | 13,9 | 14,5 | 12,9 | 13,4 | 14,1 |
نقد و بررسیها
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